Nez Perce National Historical Park comprises 38 sites located throughout the states of Idaho, Montana, Oregon, and Washington, which included traditional aboriginal lands of the Nez Perce people. Pets on a leash no longer than 6 feet are allowed on the trails, but are prohibited in the visitor centers. There are pet waste stations located along most trails and parking areas.
More information on the Nez Perce National Historical Park pet policy
